- Inpatient-treated patients with acute volume overload, preferably in association with cardiac decompensation with signs of incipient diuretic resistance (lack of increase in urine output despite significant escalation of diuretic therapy; e.g. ≥80 mg furosemide / 24 h or less than 1375 mL urine output/40 mg furosemide per 24 h or equivalent dose of other loop diuretics [established clinically or from the medical history])